MC1488, SN55188, SN75188
QUADRUPLE LINE DRIVERS
SLLS094C − SEPTEMBER 1983 − REVISED MAY 2004
D Meet or Exceed the Requirements of ANSI
D
D
D
D
D
SN55188 . . . J OR W PACKAGE
SN75188 . . . D, N, OR NS PACKAGE
MC1488 . . . N PACKAGE
(TOP VIEW)
TIA / EIA-232-E and ITU Recommendation
V.28
Current-Limited Output: 10 mA Typical
Power-Off Output Impedance: 300 Ω
Minimum
Slew Rate Control by Load Capacitor
Flexible Supply-Voltage Range
Input Compatible With Most TTL Circuits
VCC −
1A
1Y
2A
2B
2Y
GND
description/ordering information
The MC1488, SN55188, and SN75188 are
monolithic quadruple line drivers designed to
interface data terminal equipment with data
communications equipment in conformance with
ANSI TIA/EIA-232-E, using a diode in series with
each supply-voltage terminal as shown under
typical applications.
1
13
3
VCC +
4B
4A
4Y
3B
3A
3Y
14
2
12
4
11
5
10
6
9
7
8
1A
VCC −
NC
V CC+
4B
SN55188 . . . FK PACKAGE
(TOP VIEW)
4
3
17
6
16
7
15
8
14
9 10 11 12 13
4A
NC
4Y
NC
3B
2Y
GND
NC
3Y
3A
The SN55188 is characterized for operation over
the full military temperature range of − 55°C to
125°C. The MC1488 and SN75188 are
characterized for operation from 0°C to 70°C.
2 1 20 19
18
5
1Y
NC
2A
NC
2B
NC − No internal connection
ORDERING INFORMATION
ORDERABLE
PART NUMBER
PACKAGE†
TA
TOP-SIDE
MARKING
Tube of 25
SOIC (D)
SOP (NS)
MC1488N
Tube of 25
SN75188N
SN75188N
SN75188D
Reel of 2500
SN75188DR
Reel of 2000
SN75188NSR
SN75188
SN55188J
0 C 70°C
0°C to 70 C
MC1488N
Tube of 50
PDIP (N)
SN55188J
SNJ55188J
SNJ55188J
SNJ55188W
SNJ55188W
CDIP (J)
−55°C to 125°C
Tube of 25
CFP (W)
Tube of 150
SN75188
LCCC (FK)
Tube of 55
SNJ55188FK
SNJ55188FK
† Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are
available at www.ti.com/sc/package.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
Copyright 2004, Texas Instruments Incorporated
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
On products compliant to MILĆPRFĆ38535, all parameters are tested
unless otherwise noted. On all other products, production
processing does not necessarily include testing of all parameters.
POST OFFICE BOX 655303
• DALLAS, TEXAS 75265
1
